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Currently we do not know what variant (bit length) of the nec protocol
is used, other than from guessing from the length of the scancode. Now
nec will be handled the same way as the sony protocol or the rc6 protocol;
one variant per bit length.
In the future we might want to expose the rc protocol type to userspace
and we don't want to be introducing this world of pain into userspace
too.
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The au0828 dev_state is actually a bit mask. It should not be
checking with "==" but, instead, with a logic and. There are some
places where it was doing it wrong.
Fix that by replacing the dev_state set/clear/test with the
bitops.
As reviewed by Shuah:
"Looks good. Tested running bind/unbind au0828 loop for 1000 times.
Didn't see any problems and the v4l2_querycap() problem has been
fixed with this patch.
After the above test, ran bind/unbind snd_usb_audio 1000 times.
Didn't see any problems. Generated media graph and the graph
looks good."
Cc: stable@vger.kernel.org
Reviewed-by: Shuah Khan <shuahkh@osg.samsung.com>
Tested-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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au0828 IR stop and poll routines continue to access device
while usb disconnect is in progress. There is small window
between device disconnect and usb interface is set to null.
This results in filling the log with several of the following
error messages. Fix it to detect device disconnect condition
and avoid device access.
Nov 20 18:58:02 anduin kernel: [ 102.949819] au0828: au0828_usb_disconnect()
Nov 20 18:58:02 anduin kernel: [ 102.950046] au0828: send_control_msg() Failed sending control message, error -71.
Nov 20 18:58:02 anduin kernel: [ 102.950052] au0828: send_control_msg() Failed sending control message, error -19.
Nov 20 18:58:02 anduin kernel: [ 102.950056] au0828: send_control_msg() Failed sending control message, error -19.
Nov 20 18:58:02 anduin kernel: [ 102.950061] au0828: send_control_msg() Failed sending control message, error -19.
Nov 20 18:58:02 anduin kernel: [ 102.950065] au0828: recv_control_msg() Failed receiving control message, error -19.
Nov 20 18:58:02 anduin kernel: [ 102.950069] au0828: recv_control_msg() Failed receiving control message, error -19.
Nov 20 18:58:02 anduin kernel: [ 102.950072] au0828: recv_control_msg() Failed receiving control message, error -19.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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GIT_AUTHOR_DATE=1416486805
The functions pvr2_hdw_destroy(), rc_unregister_device() and vfree() perform
also input parameter validation. Thus the test around the call is not needed.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Suspend/resume conditions can be very tricky. Add some info
printk's to help tracking what's happening there.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Instead of using printk(KERN_foo, use pr_foo() macros.
No functional changes.
Note: we should do the same for dprintk(), but that would
require to remove the dprintk levels. So, for now, let's
not touch on it.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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It doesn't make sense to handle an IR code given before
suspending after the device resume. So, turn off IR
int while suspending.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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As the RC kthread can re-enable IR int, we should first
cancel the kthread and then disable IR int.
While here, remove a temporary debug printk.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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When the DVB code sets the frontend, it disables the IR
INT, probably due to some hardware bug, as there's no code
there at au8522 frontend that writes on register 0xe0.
Fixing it at au8522 code is hard, as it doesn't know if the
IR is enabled or disabled, and just restoring the value of
register 0xe0 could cause other nasty effects. So, better
to add a hack at au0828-input polling interval to enable int,
if disabled.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The IR code increases the power consumption of the device.
Allow to disable it via modprobe parameter.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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This sleep was doing some debouncing on the original driver.
This is not needed on Linux, because the RC core and the input
layer already takes care of it.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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HVR-950Q uses an I2C remote controller at address 0x47 (7-bits
notation). Add support for it.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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